package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.utils.HttpUtils;
import com.atguigu.common.utils.R;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.auth.vo.SocialUser;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;
import java.util.HashMap;
@Slf4j
@Controller
public class OAuth2Controller {
    @Autowired
    MemberFeignService memberFeignService;
    @GetMapping("/oauth2.0/weibo/success")
    public String weibo(@RequestParam("code") String code, HttpSession session) throws Exception {
        //1.根据code换取token
        HashMap<String, String> map = new HashMap<>();
        map.put("client_id","2543664315");
        map.put("client_secret","0c3c71d7e5762d28f8d67a8b9a77814e");
        map.put("grant_type","authorization_code");
        map.put("redirect_uri","http://auth.gulimall.com/oauth2.0/weibo/success");
        map.put("code",code);
        HttpResponse response = HttpUtils.doPost("https://api.weibo.com", "/oauth2/access_token", "post", null, null, map);
        if (response.getStatusLine().getStatusCode()==200){
            String json = EntityUtils.toString(response.getEntity());
            SocialUser socialUser = JSON.parseObject(json, SocialUser.class);
            //当前用户第一次登录，注册
            R oauthlogin = memberFeignService.oauthlogin(socialUser);
            if (oauthlogin.getCode()==0){
                MemberRespVo data = oauthlogin.getData("data", new TypeReference<MemberRespVo>() {
                });
                log.info("登录成功：用户:{}",data.toString());
                session.setAttribute("loginUser",data);
                //2.根据token获取用户信息
                return "redirect:http://gulimall.com";
            }else {
                return "redirect:http://auth.gulimall.com/login.html";
            }
            //
        }else {
            return "redirect:http://auth.gulimall.com/login.html";
        }
//        //2.根据token获取用户信息
//        return "redirect:http://gulimall.com";
    }
}
